Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
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Chapter 3, Problem 12PE
Program Plan Intro
Sum of cubes of first n natural numbers
- Define the main function.
- Get the value of “n” from the user.
- Declare a variable “sum” and assign 0 to it.
- Loop from 0 through n.
- Find the cube of a number and store it in a variable “cube”.
- Calculate the value of sum by adding “sum” and “cube” and store it in a variable “sum”.
- Print the value of “sum”.
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An integer n is divisible by 9 if the sum of its digits is divisible by 9. Develop a program to display each digit, starting with the rightmost digit. Your program should also determine whether or not the number is divisible by 9.
Write a program that calculates the sum of all positive integers less than or equal to a given number N.
You are given an integer, N. Your task is to print an alphabet rangoli of size N. (Rangoli is a form of Indian folk art based on
creation of patterns.)
Different sizes of alphabet rangoli are shown below:
#size 3
----C----
--c-b-c--
c-b-a-b-c
--c-b-c--
----C----
#size 5
------e-d-e--
----e-d-c-d-e----
--e-d-c-b-c-d-e--
e-d-c-b-a-b-c-d-e
--e-d-c-b-c-d-e--
----e-d-c-d-e----
e-d-e----
----
#size 10
--j-
-j-i-j-
--j-i-h-i-j--
---j-i-h-g-h-i-j-
--j-i-h-g-f-g-h-i-j-
-j-i-h-g-f-e-f-g-h-i-j--
------j-i-h-g-f-e-d-e-f-g-h-i-j--
----j-i-h-g-f-e-d-c-d-e-f-g-h-i-j---
--j-i-h-g-f-e-d-c-b-c-d-e-f-g-h-i-j--
j-i-h-g-f-e-d-c-b-a-b-c-d-e-f-g-h-i-j
--j-i-h-g-f-e-d-c-b-c-d-e-f-g-h-i-j--
----j-i-h-g-f-e-d-c-d-e-f-g-h-i-j--
-j-i-h-g-f-e-d-e-f-g-h-i-j-
-j-i-h-g-f-e-f-g-h-i-j-
---j-i-h-g-f-g-h-i-j-
--j-i-h-g-h-i-j-
-j-i-h-i-j-
j-i-j-
The center of the rangoli has the first alphabet letter a, and the boundary has the Nth alphabet letter (in alphabetical order).
Eunction Descrintion
Chapter 3 Solutions
Python Programming: An Introduction to Computer Science, 3rd Ed.
Ch. 3 - Prob. 1TFCh. 3 - Prob. 2TFCh. 3 - Prob. 3TFCh. 3 - Prob. 4TFCh. 3 - Prob. 5TFCh. 3 - Prob. 6TFCh. 3 - Prob. 7TFCh. 3 - Prob. 8TFCh. 3 - Prob. 9TFCh. 3 - Prob. 10TF
Ch. 3 - Prob. 1MCCh. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - Prob. 4MCCh. 3 - Prob. 5MCCh. 3 - Prob. 6MCCh. 3 - Prob. 7MCCh. 3 - Prob. 8MCCh. 3 - Prob. 9MCCh. 3 - Prob. 10MCCh. 3 - Prob. 1DCh. 3 - Prob. 3DCh. 3 - Prob. 4DCh. 3 - Prob. 6DCh. 3 - Prob. 1PECh. 3 - Prob. 2PECh. 3 - Prob. 3PECh. 3 - Prob. 4PECh. 3 - Prob. 5PECh. 3 - Prob. 6PECh. 3 - Prob. 7PECh. 3 - Prob. 8PECh. 3 - Prob. 9PECh. 3 - Prob. 10PECh. 3 - Prob. 11PECh. 3 - Prob. 12PECh. 3 - Prob. 13PECh. 3 - Prob. 14PECh. 3 - Prob. 15PECh. 3 - Prob. 16PECh. 3 - Prob. 17PE
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